Cool, fun words and all but...you're simply not thinking clearly as that Leftist in you has once again hijacked your typing fingers... people or in this case the POTUS are reserved the right to decide when they want to treat something as an emergency. This isn't complicated bud...the Rational Right in you knows this.
Yes, he has the right to call anything he wants an emergency. What that does not do is actually make it one.
I could call 9-1-1 right now and say that I ran out of beer and it is an emergency, that will not make it one.
The one thing you cannot do is deny that Trump basically ignored the border except for some talking points during his pep rallies for the 1st two years because it was politically expedient to do so with his party in control of both sides of Congress.